long-duration energy storage

Renewable energy intermittency isn’t only a challenge when the sun isn’t shining or the wind isn’t blowing. For many regions, oversupply of renewable electricity during sunny and windy periods with low grid demand creates its own economic and operational challenges. In California, more than 2.7 TWh of renewable energy—primarily solar—was curtailed last year during such […]

Italian firm Magaldi Group, a specialist in ultra-high-temperature material handling, is poised to deploy its first large-scale application of a novel thermal energy storage system that uses a fluidized bed of

An innovative battery energy storage project, using a non-lithium technology, will be deployed at a research center in Arizona. Salt River Project (SRP), the state’s community-based, not-for-profit public power utility, and Germany’s CMBlu Energy, which designs and manufactures energy storage systems, on August 31 announced a pilot project for a 5-MW, 10-hour, long duration energy […]

Hybrid system will be capable of powering approximately 2,000 electric customers within PG&E’s Calistoga microgrid for up to 48 hours (293 MWh of carbon-free energy) during a planned outage This Long-Duration Energy Storage System is the first-of-its-kind and integrates a short duration battery system, for grid forming and black start capabilities, with a long duration fuel […]

Texas-based CPS Energy, the largest municipally owned electric and natural gas company in the U.S., has entered into a 15-year commercial agreement to explore installing up to 15 MW of geomechanical pumped storage (GPS). The agreement will kick off with a pioneering 1-MW project that will pump water into drilled wells and store it under […]

Hydrostor, developer of a 400-MW, 8-hour long-duration advanced compressed air energy storage (A-CAES) facility, has filed an application for certification (AFC) with the California Energy Commission (CEC) for its first project in the state, envisioning its commercial operation as early as 2026. If the 3,200-MWh Pecho Energy Storage Center is built as planned in San […]

ESS Tech, Inc. has entered into a definitive business combination agreement with ACON S2 Acquisition Corp. (NASDAQ: STWO); upon closing, the combined company expects to be listed on the New York Stock Exchange under the ticker symbol “GWH.” ESS has developed a category-defining technology, an environmentally friendly, low-cost, long-duration storage battery engineered to support renewables […]